@book { ecomounpeplislanguage,
    title = "Þe comoun peplis language",
    subtitle = "Assistants to the editors: Ewa Ciszek and Katarzyna Bronk",
    author = "Marcin {Krygier} and Liliana {Sikorska}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107412"
}